CMakeLists.txt

# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required(VERSION 3.24)

# set the project name
project(substrait-cpp)

message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)

option(SUBSTRAIT_CPP_SANITIZE_DEBUG_BUILD
       "Turns on address and undefined memory sanitization runtime checking."
       OFF)

if(${SUBSTRAIT_CPP_SANITIZE_DEBUG_BUILD})
  add_compile_options($<$<CONFIG:Debug>:-fsanitize=undefined>)
  add_link_options($<$<CONFIG:Debug>:-fsanitize=undefined>)

  add_compile_options($<$<CONFIG:Debug>:-fsanitize=address>)
  add_link_options($<$<CONFIG:Debug>:-fsanitize=address>)
endif()

option(
  SUBSTRAIT_CPP_BUILD_TESTING
  "Enable substrait-cpp tests. This will enable all other build options automatically."
  ON)

set(SUBSTRAIT_CPP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)

# Local files come first.
include_directories(include)
include_directories(src)

# TODO: Simplify once we can require cmake 3.27 (where CONFIG is default).

# Due to packaging changes we use the combined protobuf/absl packaging if
# available otherwise we fallback to the older protobuf method.
find_package(Protobuf QUIET CONFIG)
if(${Protobuf_FOUND})
  message(STATUS "Modern protobuf library located.")
  set(ABSL_INCLUDED_WITH_PROTOBUF ON)
else()
  find_package(Protobuf QUIET)
  if(${Protobuf_FOUND})
    message(STATUS "Legacy protobuf library located.")
    include_directories(${Protobuf_INCLUDE_DIRS})
    set(ABSL_INCLUDED_WITH_PROTOBUF OFF)
  else()
    message(STATUS "Fetching external protobuf library.")
    include(third_party/protobuf.cmake)
    set(ABSL_INCLUDED_WITH_PROTOBUF ON)
  endif()
endif()

add_subdirectory(third_party)

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules")
include(BuildUtils)

if(${SUBSTRAIT_CPP_BUILD_TESTING})
  enable_testing()
endif()

install(EXPORT SubstraitTargets DESTINATION lib/cmake/Substrait)

add_subdirectory(src/substrait)
add_subdirectory(export)